Question 668868
<pre>
There are lots of possibilities.  Here are three different examples:

A = {{{(matrix(2,2,4,-1,4,2))}}}
B = {{{(matrix(2,2,2,5,0,1))}}}

A = {{{(matrix(2,2,-1,-1,-1,5))}}}
B = {{{(matrix(2,2,1,0,0,-1))}}}

A = {{{(matrix(2,2,5,-1,-1,-1))}}}
B = {{{(matrix(2,2,3,2,2,1))}}}

Edwin</pre>